#include <stdio.h>

int compare(int x, int y);
int compare(int x, int y) 
{
  if (y > x) 
  { 
      x = y;
     // return y;
   }	
   return x;	  
}  
int main()
{
   int x,y;
   printf("x= ,y=");
   scanf("%d,%d",&x,&y);
   compare(x, y);
   printf("bigger:%d",compare(x,y)); 

   return 0;
}	
